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cells in the body sense their environment. members of the royal swedish academy of sciences in stockholm made the announcement on wednesday. robert lefkowitz from howard hughes institute and brian kobilka won the prize. they have independently studied how human body cells can sense their environment and discovered that a family of proteins later named g-protein coupled receptors, send signals to the cells. >>> turkey's military commanders are wrapping up their reinforcements along the border with syria. they've sent at least 25 more fighter jets to the area. the build-up of troops and weapons is adding to fears that the fighting in syria could escalate into a regional conflict. turkish forces have fired artillery into syria for six straight days now. they're responding to mortars that have come from the syrian side. the tension at the border began when a mortar fired from inside syria hit a turkish town. five civilians died. turkish military commanders say they've deployed 25 f-16 fighter jets to a base near the border. the military's also reinforcing its troops and moving gun batteries
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